1240812480 has 224 divisors, whose sum is σ = 4220870400. Its totient is φ = 307888128.

The previous prime is 1240812467. The next prime is 1240812491. The reversal of 1240812480 is 842180421.

It is a super-2 number, since 2×1240812480² = 3079231221047500800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1075584 + ... + 1076736.

Almost surely, 2^1240812480 is an apocalyptic number.

1240812480 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 1240812480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2110435200).

1240812480 is an abundant number, since it is smaller than the sum of its proper divisors (2980057920).

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

1240812480 is a wasteful number, since it uses less digits than its factorization.

1240812480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251 (or 1241 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 1240812480 is about 35225.1682749707. The cubic root of 1240812480 is about 1074.5716642172.

The spelling of 1240812480 in words is "one billion, two hundred forty million, eight hundred twelve thousand, four hundred eighty".