1634410040 has 16 divisors (see below), whose sum is σ = 3677422680. Its totient is φ = 653764000.

The previous prime is 1634410033. The next prime is 1634410051. The reversal of 1634410040 is 400144361.

It is a junction number, because it is equal to n+sod(n) for n = 1634409988 and 1634410015.

It is a congruent number.

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, 20430086 + ... + 20430165.

Almost surely, 2^1634410040 is an apocalyptic number.

1634410040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1634410040 is an abundant number, since it is smaller than the sum of its proper divisors (2043012640).

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

1634410040 is a wasteful number, since it uses less digits than its factorization.

1634410040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40860262 (or 40860258 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1634410040 is about 40427.8374390716. The cubic root of 1634410040 is about 1177.9323265277.

The spelling of 1634410040 in words is "one billion, six hundred thirty-four million, four hundred ten thousand, forty".