124306472640 has 448 divisors, whose sum is σ = 457373223936. Its totient is φ = 28017819648.

The previous prime is 124306472597. The next prime is 124306472663. The reversal of 124306472640 is 46274603421.

It is a tau number, because it is divible by the number of its divisors (448).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 237679419 + ... + 237679941.

Almost surely, 2^124306472640 is an apocalyptic number.

124306472640 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 124306472640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228686611968).

124306472640 is an abundant number, since it is smaller than the sum of its proper divisors (333066751296).

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

124306472640 is a wasteful number, since it uses less digits than its factorization.

124306472640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976 (or 966 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 39.

The spelling of 124306472640 in words is "one hundred twenty-four billion, three hundred six million, four hundred seventy-two thousand, six hundred forty".