37478217402 has 80 divisors (see below), whose sum is σ = 88786605600. Its totient is φ = 11783322720.

The previous prime is 37478217397. The next prime is 37478217409. The reversal of 37478217402 is 20471287473.

37478217402 is a `hidden beast` number, since 3 + 7 + 478 + 2 + 174 + 0 + 2 = 666.

37478217402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (37478217409) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 678277 + ... + 731447.

It is an arithmetic number, because the mean of its divisors is an integer number (1109832570).

Almost surely, 2^37478217402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37478217402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44393302800).

37478217402 is an abundant number, since it is smaller than the sum of its proper divisors (51308388198).

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

37478217402 is a wasteful number, since it uses less digits than its factorization.

37478217402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53433 (or 53424 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 45.

The spelling of 37478217402 in words is "thirty-seven billion, four hundred seventy-eight million, two hundred seventeen thousand, four hundred two".