107621503940 has 24 divisors (see below), whose sum is σ = 226104684120. Its totient is φ = 43029644288.

The previous prime is 107621503919. The next prime is 107621503993. The reversal of 107621503940 is 49305126701.

It can be written as a sum of positive squares in 4 ways, for example, as 41378069056 + 66243434884 = 203416^2 + 257378^2 .

It is a super-2 number, since 2×107621503940² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 107621503894 and 107621503903.

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, 1138235 + ... + 1229154.

It is an arithmetic number, because the mean of its divisors is an integer number (9421028505).

Almost surely, 2^107621503940 is an apocalyptic number.

107621503940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

107621503940 is an abundant number, since it is smaller than the sum of its proper divisors (118483180180).

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

107621503940 is a wasteful number, since it uses less digits than its factorization.

107621503940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369671 (or 2369669 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 107621503940 in words is "one hundred seven billion, six hundred twenty-one million, five hundred three thousand, nine hundred forty".