2457780534 has 48 divisors (see below), whose sum is σ = 5882872320. Its totient is φ = 735349680.

The previous prime is 2457780487. The next prime is 2457780553. The reversal of 2457780534 is 4350877542.

2457780534 is a `hidden beast` number, since 2 + 45 + 7 + 78 + 0 + 534 = 666.

2457780534 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2457780534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62922 + ... + 94205.

It is an arithmetic number, because the mean of its divisors is an integer number (122559840).

Almost surely, 2^2457780534 is an apocalyptic number.

2457780534 is an abundant number, since it is smaller than the sum of its proper divisors (3425091786).

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

2457780534 is a wasteful number, since it uses less digits than its factorization.

2457780534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157225 (or 157222 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 45.

The square root of 2457780534 is about 49576.0076448276. The cubic root of 2457780534 is about 1349.5253080037.

It can be divided in two parts, 24577 and 80534, that added together give a triangular number (105111 = T₄₅₈).

The spelling of 2457780534 in words is "two billion, four hundred fifty-seven million, seven hundred eighty thousand, five hundred thirty-four".