124259419640 has 16 divisors (see below), whose sum is σ = 279583694280. Its totient is φ = 49703767840.

The previous prime is 124259419639. The next prime is 124259419651. The reversal of 124259419640 is 46914952421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1553242706 + ... + 1553242785.

Almost surely, 2^124259419640 is an apocalyptic number.

124259419640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124259419640 is an abundant number, since it is smaller than the sum of its proper divisors (155324274640).

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

124259419640 is a wasteful number, since it uses less digits than its factorization.

124259419640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106485502 (or 3106485498 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 124259419640 in words is "one hundred twenty-four billion, two hundred fifty-nine million, four hundred nineteen thousand, six hundred forty".