401245304531240 has 64 divisors (see below), whose sum is σ = 972540823564800. Its totient is φ = 148107527960832.

The previous prime is 401245304531213. The next prime is 401245304531257. The reversal of 401245304531240 is 42135403542104.

It is a super-2 number, since 2×401245304531240² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401245304531194 and 401245304531203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114375800 + ... + 117831719.

It is an arithmetic number, because the mean of its divisors is an integer number (15195950368200).

Almost surely, 2^{401245304531240} is an apocalyptic number.

401245304531240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401245304531240 is an abundant number, since it is smaller than the sum of its proper divisors (571295519033560).

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

401245304531240 is a wasteful number, since it uses less digits than its factorization.

401245304531240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232210866 (or 232210862 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 401245304531240 in words is "four hundred one trillion, two hundred forty-five billion, three hundred four million, five hundred thirty-one thousand, two hundred forty".