1372265280 has 224 divisors, whose sum is σ = 4911425280. Its totient is φ = 360622080.

The previous prime is 1372265267. The next prime is 1372265281. The reversal of 1372265280 is 825622731.

1372265280 is a `hidden beast` number, since 1 + 372 + 2 + 6 + 5 + 280 = 666.

It is a super-2 number, since 2×1372265280² = 3766223997386956800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372265281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 612322 + ... + 614558.

Almost surely, 2^1372265280 is an apocalyptic number.

1372265280 is a gapful number since it is divisible by the number (10) 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 1372265280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2455712640).

1372265280 is an abundant number, since it is smaller than the sum of its proper divisors (3539160000).

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

1372265280 is a wasteful number, since it uses less digits than its factorization.

1372265280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334 (or 2318 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 1372265280 is about 37044.0991252318. The cubic root of 1372265280 is about 1111.2523483868.

The spelling of 1372265280 in words is "one billion, three hundred seventy-two million, two hundred sixty-five thousand, two hundred eighty".