101264621436 has 36 divisors (see below), whose sum is σ = 279244866264. Its totient is φ = 30686248800.

The previous prime is 101264621431. The next prime is 101264621489. The reversal of 101264621436 is 634126462101.

101264621436 is a `hidden beast` number, since 1 + 0 + 1 + 2 + 646 + 2 + 1 + 4 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 101264621436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101264621431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127858975 + ... + 127859766.

Almost surely, 2^101264621436 is an apocalyptic number.

It is an amenable number.

101264621436 is an abundant number, since it is smaller than the sum of its proper divisors (177980244828).

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

101264621436 is a wasteful number, since it uses less digits than its factorization.

101264621436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255718762 (or 255718757 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 101264621436 in words is "one hundred one billion, two hundred sixty-four million, six hundred twenty-one thousand, four hundred thirty-six".