2961538464 has 48 divisors (see below), whose sum is σ = 8042116320. Its totient is φ = 953137920.

The previous prime is 2961538369. The next prime is 2961538477. The reversal of 2961538464 is 4648351692.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529102 + ... + 534669.

It is an arithmetic number, because the mean of its divisors is an integer number (167544090).

Almost surely, 2^2961538464 is an apocalyptic number.

2961538464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2961538464 is an abundant number, since it is smaller than the sum of its proper divisors (5080577856).

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

2961538464 is a wasteful number, since it uses less digits than its factorization.

2961538464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063813 (or 1063805 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The square root of 2961538464 is about 54420.0189636130. The cubic root of 2961538464 is about 1436.0595822093.

The spelling of 2961538464 in words is "two billion, nine hundred sixty-one million, five hundred thirty-eight thousand, four hundred sixty-four".