37666374040 has 16 divisors (see below), whose sum is σ = 84749341680. Its totient is φ = 15066549600.

The previous prime is 37666374023. The next prime is 37666374043. The reversal of 37666374040 is 4047366673.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37666374043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470829636 + ... + 470829715.

It is an arithmetic number, because the mean of its divisors is an integer number (5296833855).

Almost surely, 2^37666374040 is an apocalyptic number.

It is an amenable number.

37666374040 is an abundant number, since it is smaller than the sum of its proper divisors (47082967640).

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

37666374040 is a wasteful number, since it uses less digits than its factorization.

37666374040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941659362 (or 941659358 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 46.

It can be divided in two parts, 3766 and 6374040, that added together give a triangular number (6377806 = T₃₅₇₁).

The spelling of 37666374040 in words is "thirty-seven billion, six hundred sixty-six million, three hundred seventy-four thousand, forty".