40232042400 has 144 divisors (see below), whose sum is σ = 142860418848. Its totient is φ = 9753216000.

The previous prime is 40232042381. The next prime is 40232042401. The reversal of 40232042400 is 424023204.

It is not an unprimeable number, because it can be changed into a prime (40232042401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 735571 + ... + 788370.

It is an arithmetic number, because the mean of its divisors is an integer number (992086242).

Almost surely, 2^40232042400 is an apocalyptic number.

40232042400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40232042400 is an abundant number, since it is smaller than the sum of its proper divisors (102628376448).

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

40232042400 is a wasteful number, since it uses less digits than its factorization.

40232042400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523975 (or 1523962 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 40232042400 its reverse (424023204), we get a palindrome (40656065604).

The spelling of 40232042400 in words is "forty billion, two hundred thirty-two million, forty-two thousand, four hundred".