40232032400 has 120 divisors (see below), whose sum is σ = 115268705664. Its totient is φ = 13194086400.

The previous prime is 40232032387. The next prime is 40232032417. The reversal of 40232032400 is 423023204.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247961 + ... + 376760.

Almost surely, 2^40232032400 is an apocalyptic number.

40232032400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40232032400 is an abundant number, since it is smaller than the sum of its proper divisors (75036673264).

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

40232032400 is a wasteful number, since it uses less digits than its factorization.

40232032400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624769 (or 624758 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 40232032400 its reverse (423023204), we get a palindrome (40655055604).

The spelling of 40232032400 in words is "forty billion, two hundred thirty-two million, thirty-two thousand, four hundred".