40040601524 has 96 divisors (see below), whose sum is σ = 89649745920. Its totient is φ = 15194793600.

The previous prime is 40040601521. The next prime is 40040601563. The reversal of 40040601524 is 42510604004.

40040601524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40040601524² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40040601493 and 40040601502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040601521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3047882 + ... + 3060990.

It is an arithmetic number, because the mean of its divisors is an integer number (933851520).

Almost surely, 2^40040601524 is an apocalyptic number.

40040601524 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 40040601524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44824872960).

40040601524 is an abundant number, since it is smaller than the sum of its proper divisors (49609144396).

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

40040601524 is a wasteful number, since it uses less digits than its factorization.

40040601524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13389 (or 13387 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The spelling of 40040601524 in words is "forty billion, forty million, six hundred one thousand, five hundred twenty-four".