1240413696 has 160 divisors (see below), whose sum is σ = 3743197920. Its totient is φ = 405430272.

The previous prime is 1240413661. The next prime is 1240413697. The reversal of 1240413696 is 6963140421.

It is a super-2 number, since 2×1240413696² = 3077252274448760832, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1240413696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240413697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731826 + ... + 733518.

It is an arithmetic number, because the mean of its divisors is an integer number (23394987).

Almost surely, 2^1240413696 is an apocalyptic number.

1240413696 is a gapful number since it is divisible by the number (16) 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 1240413696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1871598960).

1240413696 is an abundant number, since it is smaller than the sum of its proper divisors (2502784224).

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

1240413696 is an equidigital number, since it uses as much as digits as its factorization.

1240413696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773 (or 1751 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1240413696 is about 35219.5073219374. The cubic root of 1240413696 is about 1074.4565332286.

The spelling of 1240413696 in words is "one billion, two hundred forty million, four hundred thirteen thousand, six hundred ninety-six".