40695732 has 144 divisors (see below), whose sum is σ = 131144832. Its totient is φ = 10333440.

The previous prime is 40695731. The next prime is 40695737. The reversal of 40695732 is 23759604.

It is a super-2 number, since 2×40695732² = 3312285206031648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40695731) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146778 + ... + 147054.

It is an arithmetic number, because the mean of its divisors is an integer number (910728).

Almost surely, 2^40695732 is an apocalyptic number.

40695732 is a gapful number since it is divisible by the number (42) 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 40695732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65572416).

40695732 is an abundant number, since it is smaller than the sum of its proper divisors (90449100).

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

40695732 is a wasteful number, since it uses less digits than its factorization.

40695732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 40695732 is about 6379.3206534865. The cubic root of 40695732 is about 343.9666115963.

It can be divided in two parts, 4069 and 5732, that added together give a square (9801 = 99²).

The spelling of 40695732 in words is "forty million, six hundred ninety-five thousand, seven hundred thirty-two".