2554157407 has 8 divisors (see below), whose sum is σ = 2560352256. Its totient is φ = 2547971832.

The previous prime is 2554157399. The next prime is 2554157447. The reversal of 2554157407 is 7047514552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2554157407 - 2³ = 2554157399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2554157407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554157447) 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, 949218 + ... + 951904.

It is an arithmetic number, because the mean of its divisors is an integer number (320044032).

Almost surely, 2^2554157407 is an apocalyptic number.

2554157407 is a deficient number, since it is larger than the sum of its proper divisors (6194849).

2554157407 is an equidigital number, since it uses as much as digits as its factorization.

2554157407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4637.

The product of its (nonzero) digits is 196000, while the sum is 40.

The square root of 2554157407 is about 50538.6723905565. The cubic root of 2554157407 is about 1366.9392673819.

The spelling of 2554157407 in words is "two billion, five hundred fifty-four million, one hundred fifty-seven thousand, four hundred seven".