50578577040 has 40 divisors (see below), whose sum is σ = 156793589568. Its totient is φ = 13487620480.

The previous prime is 50578577033. The next prime is 50578577047. The reversal of 50578577040 is 4077587505.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (50578577033) and next prime (50578577047).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (50578577047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105371796 + ... + 105372275.

Almost surely, 2^50578577040 is an apocalyptic number.

It is an amenable number.

50578577040 is an abundant number, since it is smaller than the sum of its proper divisors (106215012528).

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

50578577040 is a wasteful number, since it uses less digits than its factorization.

50578577040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210744087 (or 210744081 counting only the distinct ones).

The product of its (nonzero) digits is 1372000, while the sum is 48.

The spelling of 50578577040 in words is "fifty billion, five hundred seventy-eight million, five hundred seventy-seven thousand, forty".