2451254490 has 24 divisors (see below), whose sum is σ = 6373261908. Its totient is φ = 653667840.

The previous prime is 2451254489. The next prime is 2451254567. The reversal of 2451254490 is 944521542.

It is a happy number.

2451254490 is a `hidden beast` number, since 2 + 4 + 512 + 54 + 4 + 90 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2422706841 + 28547649 = 49221^2 + 5343^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13617991 + ... + 13618170.

Almost surely, 2^2451254490 is an apocalyptic number.

2451254490 is an abundant number, since it is smaller than the sum of its proper divisors (3922007418).

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

2451254490 is a wasteful number, since it uses less digits than its factorization.

2451254490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27236174 (or 27236171 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 2451254490 is about 49510.1453239637. The cubic root of 2451254490 is about 1348.3298028252.

The spelling of 2451254490 in words is "two billion, four hundred fifty-one million, two hundred fifty-four thousand, four hundred ninety".