1199700440 has 32 divisors (see below), whose sum is σ = 2700432000. Its totient is φ = 479683584.

The previous prime is 1199700409. The next prime is 1199700487. The reversal of 1199700440 is 440079911.

It is a super-2 number, since 2×1199700440² = 2878562291472387200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1199700440.

It is a congruent number.

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, 129896 + ... + 138824.

It is an arithmetic number, because the mean of its divisors is an integer number (84388500).

Almost surely, 2^1199700440 is an apocalyptic number.

1199700440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1199700440 is an abundant number, since it is smaller than the sum of its proper divisors (1500731560).

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

1199700440 is a wasteful number, since it uses less digits than its factorization.

1199700440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12299 (or 12295 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 1199700440 is about 34636.6921053382. The cubic root of 1199700440 is about 1062.5701368234.

The spelling of 1199700440 in words is "one billion, one hundred ninety-nine million, seven hundred thousand, four hundred forty".