1630474040 has 32 divisors (see below), whose sum is σ = 3950765280. Its totient is φ = 602020992.

The previous prime is 1630474009. The next prime is 1630474051. The reversal of 1630474040 is 404740361.

It is a super-2 number, since 2×1630474040² = 5316891190227843200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1630473994 and 1630474012.

It is a congruent number.

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, 1567244 + ... + 1568283.

It is an arithmetic number, because the mean of its divisors is an integer number (123461415).

Almost surely, 2^1630474040 is an apocalyptic number.

1630474040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1630474040 is an abundant number, since it is smaller than the sum of its proper divisors (2320291240).

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

1630474040 is a wasteful number, since it uses less digits than its factorization.

1630474040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3135551 (or 3135547 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 1630474040 is about 40379.1287672233. The cubic root of 1630474040 is about 1176.9859976241.

The spelling of 1630474040 in words is "one billion, six hundred thirty million, four hundred seventy-four thousand, forty".