3090251249640 has 48 divisors (see below), whose sum is σ = 10043316562500. Its totient is φ = 824066999808.

The previous prime is 3090251249623. The next prime is 3090251249653. The reversal of 3090251249640 is 469421520903.

3090251249640 is a `hidden beast` number, since 3 + 0 + 9 + 0 + 2 + 512 + 4 + 96 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2936692287684 + 153558961956 = 1713678^2 + 391866^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4292015265 + ... + 4292015984.

Almost surely, 2^{3090251249640} is an apocalyptic number.

3090251249640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3090251249640 is an abundant number, since it is smaller than the sum of its proper divisors (6953065312860).

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

3090251249640 is a wasteful number, since it uses less digits than its factorization.

3090251249640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8584031266 (or 8584031259 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 3090251249640 in words is "three trillion, ninety billion, two hundred fifty-one million, two hundred forty-nine thousand, six hundred forty".