3100242440 has 16 divisors (see below), whose sum is σ = 6975545580. Its totient is φ = 1240096960.

The previous prime is 3100242421. The next prime is 3100242461. The reversal of 3100242440 is 442420013.

It can be written as a sum of positive squares in 2 ways, for example, as 2806668484 + 293573956 = 52978^2 + 17134^2 .

It is a super-2 number, since 2×3100242440² = 19223006373554307200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38752991 + ... + 38753070.

Almost surely, 2^3100242440 is an apocalyptic number.

It is an amenable number.

3100242440 is an abundant number, since it is smaller than the sum of its proper divisors (3875303140).

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

3100242440 is a wasteful number, since it uses less digits than its factorization.

3100242440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77506072 (or 77506068 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 3100242440 is about 55679.8207612058. The cubic root of 3100242440 is about 1458.1377457713.

Adding to 3100242440 its reverse (442420013), we get a palindrome (3542662453).

The spelling of 3100242440 in words is "three billion, one hundred million, two hundred forty-two thousand, four hundred forty".