361406663940 has 96 divisors (see below), whose sum is σ = 1156586344704. Its totient is φ = 82601164800.

The previous prime is 361406663939. The next prime is 361406664001. The reversal of 361406663940 is 49366604163.

It is a super-2 number, since 2×361406663940² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 361406663940.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8294692 + ... + 8338148.

It is an arithmetic number, because the mean of its divisors is an integer number (12047774424).

Almost surely, 2^361406663940 is an apocalyptic number.

361406663940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

361406663940 is an abundant number, since it is smaller than the sum of its proper divisors (795179680764).

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

361406663940 is a wasteful number, since it uses less digits than its factorization.

361406663940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63277 (or 63275 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 48.

The spelling of 361406663940 in words is "three hundred sixty-one billion, four hundred six million, six hundred sixty-three thousand, nine hundred forty".