49278960026 has 4 divisors (see below), whose sum is σ = 73918440042. Its totient is φ = 24639480012.

The previous prime is 49278960019. The next prime is 49278960037. The reversal of 49278960026 is 62006987294.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 47436404401 + 1842555625 = 217799^2 + 42925^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 49278960026.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12319740005 + ... + 12319740008.

Almost surely, 2^49278960026 is an apocalyptic number.

49278960026 is a deficient number, since it is larger than the sum of its proper divisors (24639480016).

49278960026 is a wasteful number, since it uses less digits than its factorization.

49278960026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24639480015.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 49278960026 in words is "forty-nine billion, two hundred seventy-eight million, nine hundred sixty thousand, twenty-six".