1631276452 has 48 divisors (see below), whose sum is σ = 3129787584. Its totient is φ = 739440000.

The previous prime is 1631276401. The next prime is 1631276473. The reversal of 1631276452 is 2546721361.

It is a super-2 number, since 2×1631276452² = 5322125725699416608, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686827 + ... + 689197.

It is an arithmetic number, because the mean of its divisors is an integer number (65203908).

Almost surely, 2^1631276452 is an apocalyptic number.

It is an amenable number.

1631276452 is a deficient number, since it is larger than the sum of its proper divisors (1498511132).

1631276452 is a wasteful number, since it uses less digits than its factorization.

1631276452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2620 (or 2618 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 1631276452 is about 40389.0635197203. The cubic root of 1631276452 is about 1177.1790443044.

The spelling of 1631276452 in words is "one billion, six hundred thirty-one million, two hundred seventy-six thousand, four hundred fifty-two".