361400940 has 60 divisors (see below), whose sum is σ = 1133733216. Its totient is φ = 96373152.

The previous prime is 361400917. The next prime is 361400959. The reversal of 361400940 is 49004163.

361400940 is a `hidden beast` number, since 3 + 614 + 0 + 0 + 9 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×361400940² = 261221278865767200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 109924 + ... + 113163.

Almost surely, 2^361400940 is an apocalyptic number.

361400940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

361400940 is an abundant number, since it is smaller than the sum of its proper divisors (772332276).

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

361400940 is a wasteful number, since it uses less digits than its factorization.

361400940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223108 (or 223097 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 361400940 is about 19010.5481246596. The cubic root of 361400940 is about 712.3002431703.

The spelling of 361400940 in words is "three hundred sixty-one million, four hundred thousand, nine hundred forty".