101474640 has 160 divisors (see below), whose sum is σ = 353548800. Its totient is φ = 26749440.

The previous prime is 101474623. The next prime is 101474641. The reversal of 101474640 is 46474101.

101474640 is a `hidden beast` number, since 1 + 0 + 14 + 7 + 4 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101474641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235225 + ... + 235655.

It is an arithmetic number, because the mean of its divisors is an integer number (2209680).

Almost surely, 2^101474640 is an apocalyptic number.

101474640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101474640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176774400).

101474640 is an abundant number, since it is smaller than the sum of its proper divisors (252074160).

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

101474640 is a wasteful number, since it uses less digits than its factorization.

101474640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 550 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 101474640 is about 10073.4621655119. The cubic root of 101474640 is about 466.4293169446.

The spelling of 101474640 in words is "one hundred one million, four hundred seventy-four thousand, six hundred forty".