1274656404 has 72 divisors (see below), whose sum is σ = 3475653888. Its totient is φ = 362517120.

The previous prime is 1274656399. The next prime is 1274656417. The reversal of 1274656404 is 4046564721.

It is a super-2 number, since 2×1274656404² = 3249497896516422432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126264 + ... + 135984.

Almost surely, 2^1274656404 is an apocalyptic number.

1274656404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1274656404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1737826944).

1274656404 is an abundant number, since it is smaller than the sum of its proper divisors (2200997484).

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

1274656404 is a wasteful number, since it uses less digits than its factorization.

1274656404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9965 (or 9956 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 1274656404 is about 35702.3305121668. The cubic root of 1274656404 is about 1084.2540276469.

The spelling of 1274656404 in words is "one billion, two hundred seventy-four million, six hundred fifty-six thousand, four hundred four".