2402640634 has 16 divisors (see below), whose sum is σ = 3819477888. Its totient is φ = 1129611712.

The previous prime is 2402640619. The next prime is 2402640659. The reversal of 2402640634 is 4360462042.

It is a super-2 number, since 2×2402640634² = 11545364032295843912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2402640596 and 2402640605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5469 + ... + 69535.

It is an arithmetic number, because the mean of its divisors is an integer number (238717368).

Almost surely, 2^2402640634 is an apocalyptic number.

2402640634 is a deficient number, since it is larger than the sum of its proper divisors (1416837254).

2402640634 is a wasteful number, since it uses less digits than its factorization.

2402640634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65189.

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 2402640634 is about 49016.7383043793. The cubic root of 2402640634 is about 1339.3567555761.

The spelling of 2402640634 in words is "two billion, four hundred two million, six hundred forty thousand, six hundred thirty-four".