3101450040 has 128 divisors (see below), whose sum is σ = 11133460800. Its totient is φ = 763430400.

The previous prime is 3101450039. The next prime is 3101450071. The reversal of 3101450040 is 400541013.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3101449995 and 3101450022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96411 + ... + 124490.

Almost surely, 2^3101450040 is an apocalyptic number.

3101450040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3101450040 is an abundant number, since it is smaller than the sum of its proper divisors (8032010760).

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

3101450040 is a wasteful number, since it uses less digits than its factorization.

3101450040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220934 (or 220924 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 3101450040 is about 55690.6638495179. The cubic root of 3101450040 is about 1458.3270447910.

Adding to 3101450040 its reverse (400541013), we get a palindrome (3501991053).

The spelling of 3101450040 in words is "three billion, one hundred one million, four hundred fifty thousand, forty".