403642045120 has 56 divisors (see below), whose sum is σ = 962862285600. Its totient is φ = 161172989952.

The previous prime is 403642045091. The next prime is 403642045129. The reversal of 403642045120 is 21540246304.

It is a super-2 number, since 2×403642045120² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (403642045129) 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, 926340 + ... + 1290499.

Almost surely, 2^403642045120 is an apocalyptic number.

403642045120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

403642045120 is an abundant number, since it is smaller than the sum of its proper divisors (559220240480).

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

403642045120 is a wasteful number, since it uses less digits than its factorization.

403642045120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2217425 (or 2217415 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 403642045120 in words is "four hundred three billion, six hundred forty-two million, forty-five thousand, one hundred twenty".