45919926456 has 64 divisors (see below), whose sum is σ = 115736731680. Its totient is φ = 15182069760.

The previous prime is 45919926439. The next prime is 45919926509. The reversal of 45919926456 is 65462991954.

It is a self number, because there is not a number n which added to its sum of digits gives 45919926456.

It is a congruent number.

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, 2163576 + ... + 2184696.

Almost surely, 2^45919926456 is an apocalyptic number.

It is an amenable number.

45919926456 is an abundant number, since it is smaller than the sum of its proper divisors (69816805224).

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

45919926456 is a wasteful number, since it uses less digits than its factorization.

45919926456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21864 (or 21860 counting only the distinct ones).

The product of its digits is 20995200, while the sum is 60.

The spelling of 45919926456 in words is "forty-five billion, nine hundred nineteen million, nine hundred twenty-six thousand, four hundred fifty-six".