361423140 has 48 divisors (see below), whose sum is σ = 1089832128. Its totient is φ = 88965504.

The previous prime is 361423133. The next prime is 361423151. The reversal of 361423140 is 41324163.

It is a super-2 number, since 2×361423140² = 261253372254919200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 361423140.

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, 230902 + ... + 232461.

It is an arithmetic number, because the mean of its divisors is an integer number (22704836).

Almost surely, 2^361423140 is an apocalyptic number.

361423140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

361423140 is an abundant number, since it is smaller than the sum of its proper divisors (728408988).

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

361423140 is a wasteful number, since it uses less digits than its factorization.

361423140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463388 (or 463386 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 361423140 is about 19011.1320020666. The cubic root of 361423140 is about 712.3148278415.

The spelling of 361423140 in words is "three hundred sixty-one million, four hundred twenty-three thousand, one hundred forty".