4376493990 has 160 divisors (see below), whose sum is σ = 13137417216. Its totient is φ = 1036203840.

The previous prime is 4376493959. The next prime is 4376493997. The reversal of 4376493990 is 993946734.

It is a super-2 number, since 2×4376493990² = 38307399289012240200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4376493997) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 377419 + ... + 388841.

Almost surely, 2^4376493990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4376493990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6568708608).

4376493990 is an abundant number, since it is smaller than the sum of its proper divisors (8760923226).

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

4376493990 is a wasteful number, since it uses less digits than its factorization.

4376493990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11496 (or 11487 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 54.

The square root of 4376493990 is about 66155.0753155039. The cubic root of 4376493990 is about 1635.7193030635.

The spelling of 4376493990 in words is "four billion, three hundred seventy-six million, four hundred ninety-three thousand, nine hundred ninety".