10400133040 has 40 divisors (see below), whose sum is σ = 26378521488. Its totient is φ = 3781866240.

The previous prime is 10400133013. The next prime is 10400133041. The reversal of 10400133040 is 4033100401.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (10400133041) 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, 5908287 + ... + 5910046.

Almost surely, 2^10400133040 is an apocalyptic number.

10400133040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10400133040 is an abundant number, since it is smaller than the sum of its proper divisors (15978388448).

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

10400133040 is a wasteful number, since it uses less digits than its factorization.

10400133040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11818357 (or 11818351 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 10400133040 its reverse (4033100401), we get a palindrome (14433233441).

The spelling of 10400133040 in words is "ten billion, four hundred million, one hundred thirty-three thousand, forty".