261248677046 has 48 divisors (see below), whose sum is σ = 482864328000. Its totient is φ = 105334564608.

The previous prime is 261248677031. The next prime is 261248677103. The reversal of 261248677046 is 640776842162.

It is a super-2 number, since 2×261248677046² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4215875 + ... + 4277393.

It is an arithmetic number, because the mean of its divisors is an integer number (10059673500).

Almost surely, 2^261248677046 is an apocalyptic number.

261248677046 is a deficient number, since it is larger than the sum of its proper divisors (221615650954).

261248677046 is a wasteful number, since it uses less digits than its factorization.

261248677046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64101 (or 64094 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 53.

The spelling of 261248677046 in words is "two hundred sixty-one billion, two hundred forty-eight million, six hundred seventy-seven thousand, forty-six".