40434025504 has 48 divisors (see below), whose sum is σ = 81584858880. Its totient is φ = 19714531840.

The previous prime is 40434025501. The next prime is 40434025517. The reversal of 40434025504 is 40552043404.

It is not an unprimeable number, because it can be changed into a prime (40434025501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3330357 + ... + 3342475.

It is an arithmetic number, because the mean of its divisors is an integer number (1699684560).

Almost surely, 2^40434025504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40434025504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40792429440).

40434025504 is an abundant number, since it is smaller than the sum of its proper divisors (41150833376).

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

40434025504 is a wasteful number, since it uses less digits than its factorization.

40434025504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14713 (or 14705 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 40434025504 its reverse (40552043404), we get a palindrome (80986068908).

The spelling of 40434025504 in words is "forty billion, four hundred thirty-four million, twenty-five thousand, five hundred four".