101462640 has 40 divisors (see below), whose sum is σ = 314534928. Its totient is φ = 27056640.

The previous prime is 101462639. The next prime is 101462653. The reversal of 101462640 is 46264101.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 101462640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211141 + ... + 211620.

Almost surely, 2^101462640 is an apocalyptic number.

101462640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101462640 is an abundant number, since it is smaller than the sum of its proper divisors (213072288).

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

101462640 is a wasteful number, since it uses less digits than its factorization.

101462640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422777 (or 422771 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 101462640 is about 10072.8665234877. The cubic root of 101462640 is about 466.4109301751.

The spelling of 101462640 in words is "one hundred one million, four hundred sixty-two thousand, six hundred forty".