400033112240 has 20 divisors (see below), whose sum is σ = 930076986144. Its totient is φ = 160013244864.

The previous prime is 400033112239. The next prime is 400033112293. The reversal of 400033112240 is 42211330004.

It is a tau number, because it is divible by the number of its divisors (20).

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 3 ways as a sum of consecutive naturals, for example, 2500206872 + ... + 2500207031.

Almost surely, 2^400033112240 is an apocalyptic number.

400033112240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400033112240 is an abundant number, since it is smaller than the sum of its proper divisors (530043873904).

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

400033112240 is a wasteful number, since it uses less digits than its factorization.

400033112240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000413916 (or 5000413910 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 400033112240 its reverse (42211330004), we get a palindrome (442244442244).

The spelling of 400033112240 in words is "four hundred billion, thirty-three million, one hundred twelve thousand, two hundred forty".