40060440 has 192 divisors, whose sum is σ = 155541600. Its totient is φ = 9144576.

The previous prime is 40060409. The next prime is 40060441. The reversal of 40060440 is 4406004.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40060441) 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, 52542 + ... + 53298.

Almost surely, 2^40060440 is an apocalyptic number.

40060440 is a gapful number since it is divisible by the number (40) 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 40060440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77770800).

40060440 is an abundant number, since it is smaller than the sum of its proper divisors (115481160).

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

40060440 is a wasteful number, since it uses less digits than its factorization.

40060440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791 (or 774 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 40060440 is about 6329.3317182780. The cubic root of 40060440 is about 342.1673542277.

Adding to 40060440 its reverse (4406004), we get a palindrome (44466444).

The spelling of 40060440 in words is "forty million, sixty thousand, four hundred forty".