2551400534 has 16 divisors (see below), whose sum is σ = 4011420672. Its totient is φ = 1214758248.

The previous prime is 2551400531. The next prime is 2551400539. The reversal of 2551400534 is 4350041552.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2551400497 and 2551400506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551400531) 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, 114104 + ... + 134619.

It is an arithmetic number, because the mean of its divisors is an integer number (250713792).

Almost surely, 2^2551400534 is an apocalyptic number.

2551400534 is a deficient number, since it is larger than the sum of its proper divisors (1460020138).

2551400534 is a wasteful number, since it uses less digits than its factorization.

2551400534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248971.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2551400534 is about 50511.3901412345. The cubic root of 2551400534 is about 1366.4472806548.

The spelling of 2551400534 in words is "two billion, five hundred fifty-one million, four hundred thousand, five hundred thirty-four".