49078402025 has 12 divisors (see below), whose sum is σ = 64437055452. Its totient is φ = 36953149440.

The previous prime is 49078401973. The next prime is 49078402081. The reversal of 49078402025 is 52020487094.

It can be written as a sum of positive squares in 6 ways, for example, as 2106075664 + 46972326361 = 45892^2 + 216731^2 .

It is not a de Polignac number, because 49078402025 - 2¹⁴ = 49078385641 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57738872 + ... + 57739721.

It is an arithmetic number, because the mean of its divisors is an integer number (5369754621).

Almost surely, 2^49078402025 is an apocalyptic number.

It is an amenable number.

49078402025 is a deficient number, since it is larger than the sum of its proper divisors (15358653427).

49078402025 is a wasteful number, since it uses less digits than its factorization.

49078402025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115478620 (or 115478615 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 49078402025 in words is "forty-nine billion, seventy-eight million, four hundred two thousand, twenty-five".