46515781494 has 128 divisors (see below), whose sum is σ = 133918848000. Its totient is φ = 11622196224.

The previous prime is 46515781469. The next prime is 46515781517. The reversal of 46515781494 is 49418751564.

46515781494 is a `hidden beast` number, since 4 + 6 + 51 + 578 + 14 + 9 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 46515781494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 155739 + ... + 342470.

It is an arithmetic number, because the mean of its divisors is an integer number (1046241000).

Almost surely, 2^46515781494 is an apocalyptic number.

46515781494 is an abundant number, since it is smaller than the sum of its proper divisors (87403066506).

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

46515781494 is a wasteful number, since it uses less digits than its factorization.

46515781494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498259 (or 498253 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The spelling of 46515781494 in words is "forty-six billion, five hundred fifteen million, seven hundred eighty-one thousand, four hundred ninety-four".