46146157290 has 24 divisors (see below), whose sum is σ = 119980009188. Its totient is φ = 12305641920.

The previous prime is 46146157273. The next prime is 46146157361. The reversal of 46146157290 is 9275164164.

46146157290 is a `hidden beast` number, since 4 + 6 + 1 + 4 + 615 + 7 + 29 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 46142906481 + 3250809 = 214809^2 + 1803^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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

It is a Curzon number.

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, 256367451 + ... + 256367630.

Almost surely, 2^46146157290 is an apocalyptic number.

46146157290 is an abundant number, since it is smaller than the sum of its proper divisors (73833851898).

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

46146157290 is a wasteful number, since it uses less digits than its factorization.

46146157290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512735094 (or 512735091 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 46146157290 in words is "forty-six billion, one hundred forty-six million, one hundred fifty-seven thousand, two hundred ninety".