155246495280 has 80 divisors (see below), whose sum is σ = 482651322624. Its totient is φ = 41279737600.

The previous prime is 155246495231. The next prime is 155246495297. The reversal of 155246495280 is 82594642551.

It is a tau number, because it is divible by the number of its divisors (80).

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, 848796 + ... + 1015355.

Almost surely, 2^155246495280 is an apocalyptic number.

155246495280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155246495280 is an abundant number, since it is smaller than the sum of its proper divisors (327404827344).

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

155246495280 is a wasteful number, since it uses less digits than its factorization.

155246495280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864514 (or 1864508 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 51.

The spelling of 155246495280 in words is "one hundred fifty-five billion, two hundred forty-six million, four hundred ninety-five thousand, two hundred eighty".