1253288040 has 32 divisors (see below), whose sum is σ = 3759864480. Its totient is φ = 334210112.

The previous prime is 1253288039. The next prime is 1253288053. The reversal of 1253288040 is 408823521.

It is a super-2 number, since 2×1253288040² = 3141461822414083200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1253287992 and 1253288010.

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, 5221914 + ... + 5222153.

It is an arithmetic number, because the mean of its divisors is an integer number (117495765).

Almost surely, 2^1253288040 is an apocalyptic number.

1253288040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1253288040 is an abundant number, since it is smaller than the sum of its proper divisors (2506576440).

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

1253288040 is a wasteful number, since it uses less digits than its factorization.

1253288040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10444081 (or 10444077 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 1253288040 is about 35401.8084283840. The cubic root of 1253288040 is about 1078.1610337211.

The spelling of 1253288040 in words is "one billion, two hundred fifty-three million, two hundred eighty-eight thousand, forty".