39990201124 has 24 divisors (see below), whose sum is σ = 74130963480. Its totient is φ = 18810925056.

The previous prime is 39990201101. The next prime is 39990201143. The reversal of 39990201124 is 42110209993.

It can be written as a sum of positive squares in 4 ways, for example, as 22186102500 + 17804098624 = 148950^2 + 133432^2 .

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, 37932 + ... + 285340.

It is an arithmetic number, because the mean of its divisors is an integer number (3088790145).

Almost surely, 2^39990201124 is an apocalyptic number.

39990201124 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

39990201124 is a deficient number, since it is larger than the sum of its proper divisors (34140762356).

39990201124 is a wasteful number, since it uses less digits than its factorization.

39990201124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249807 (or 249805 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 39990201124 in words is "thirty-nine billion, nine hundred ninety million, two hundred one thousand, one hundred twenty-four".