3750642390978 has 96 divisors (see below), whose sum is σ = 9386929244160. Its totient is φ = 1060134364800.

The previous prime is 3750642390973. The next prime is 3750642390997. The reversal of 3750642390978 is 8790932460573.

3750642390978 is a `hidden beast` number, since 3 + 7 + 50 + 6 + 423 + 90 + 9 + 78 = 666.

3750642390978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (3750642390973) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15520351 + ... + 15760157.

It is an arithmetic number, because the mean of its divisors is an integer number (97780512960).

Almost surely, 2^{3750642390978} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3750642390978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4693464622080).

3750642390978 is an abundant number, since it is smaller than the sum of its proper divisors (5636286853182).

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

3750642390978 is a wasteful number, since it uses less digits than its factorization.

3750642390978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241152 (or 241149 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 63.

The spelling of 3750642390978 in words is "three trillion, seven hundred fifty billion, six hundred forty-two million, three hundred ninety thousand, nine hundred seventy-eight".