40973504 has 112 divisors (see below), whose sum is σ = 98913696. Its totient is φ = 16727040.

The previous prime is 40973501. The next prime is 40973507. The reversal of 40973504 is 40537904.

It is an interprime number because it is at equal distance from previous prime (40973501) and next prime (40973507).

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (40973501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1107374 + ... + 1107410.

It is an arithmetic number, because the mean of its divisors is an integer number (883158).

Almost surely, 2^40973504 is an apocalyptic number.

40973504 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40973504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49456848).

40973504 is an abundant number, since it is smaller than the sum of its proper divisors (57940192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40973504 is a wasteful number, since it uses less digits than its factorization.

40973504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 40973504 is about 6401.0549130593. The cubic root of 40973504 is about 344.7474283861.

Subtracting from 40973504 its reverse (40537904), we obtain a square (435600 = 660²).

The spelling of 40973504 in words is "forty million, nine hundred seventy-three thousand, five hundred four".