3100149440 has 112 divisors (see below), whose sum is σ = 7795077120. Its totient is φ = 1171123200.

The previous prime is 3100149439. The next prime is 3100149487. The reversal of 3100149440 is 449410013.

It is a super-2 number, since 2×3100149440² = 19221853100664627200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2692865 + ... + 2694015.

Almost surely, 2^3100149440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3100149440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3897538560).

3100149440 is an abundant number, since it is smaller than the sum of its proper divisors (4694927680).

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

3100149440 is a wasteful number, since it uses less digits than its factorization.

3100149440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630 (or 1620 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 3100149440 is about 55678.9856229440. The cubic root of 3100149440 is about 1458.1231653884.

Adding to 3100149440 its reverse (449410013), we get a palindrome (3549559453).

The spelling of 3100149440 in words is "three billion, one hundred million, one hundred forty-nine thousand, four hundred forty".