37998874490 has 32 divisors (see below), whose sum is σ = 68603792400. Its totient is φ = 15153868800.

The previous prime is 37998874483. The next prime is 37998874553. The reversal of 37998874490 is 9447889973.

It is a Cunningham number, because it is equal to 194933²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 13679407681 + 24319466809 = 116959^2 + 155947^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 37998874490.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7814660 + ... + 7819520.

Almost surely, 2^37998874490 is an apocalyptic number.

37998874490 is a deficient number, since it is larger than the sum of its proper divisors (30604917910).

37998874490 is a wasteful number, since it uses less digits than its factorization.

37998874490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7058.

The product of its (nonzero) digits is 109734912, while the sum is 68.

The spelling of 37998874490 in words is "thirty-seven billion, nine hundred ninety-eight million, eight hundred seventy-four thousand, four hundred ninety".