48781642 has 32 divisors (see below), whose sum is σ = 90921600. Its totient is φ = 19113408.

The previous prime is 48781553. The next prime is 48781661. The reversal of 48781642 is 24618784.

It is a junction number, because it is equal to n+sod(n) for n = 48781595 and 48781604.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18609 + ... + 21067.

It is an arithmetic number, because the mean of its divisors is an integer number (2841300).

Almost surely, 2^48781642 is an apocalyptic number.

48781642 is a deficient number, since it is larger than the sum of its proper divisors (42139958).

48781642 is a wasteful number, since it uses less digits than its factorization.

48781642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590.

The product of its digits is 86016, while the sum is 40.

The square root of 48781642 is about 6984.3855850032. The cubic root of 48781642 is about 365.3861978470.

The spelling of 48781642 in words is "forty-eight million, seven hundred eighty-one thousand, six hundred forty-two".