4643154990 has 48 divisors (see below), whose sum is σ = 12138942816. Its totient is φ = 1231329600.

The previous prime is 4643154977. The next prime is 4643154991. The reversal of 4643154990 is 994513464.

It is a super-2 number, since 2×4643154990² = 43117776522323800200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4643154991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126226 + ... + 158805.

It is an arithmetic number, because the mean of its divisors is an integer number (252894642).

Almost surely, 2^4643154990 is an apocalyptic number.

4643154990 is an abundant number, since it is smaller than the sum of its proper divisors (7495787826).

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

4643154990 is a wasteful number, since it uses less digits than its factorization.

4643154990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285225 (or 285222 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 4643154990 is about 68140.6999523779. The cubic root of 4643154990 is about 1668.2881319098.

The spelling of 4643154990 in words is "four billion, six hundred forty-three million, one hundred fifty-four thousand, nine hundred ninety".