1340004552 has 16 divisors (see below), whose sum is σ = 3350011440. Its totient is φ = 446668176.

The previous prime is 1340004529. The next prime is 1340004641. The reversal of 1340004552 is 2554000431.

It is a super-2 number, since 2×1340004552² = 3591224398761441408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 55833523 = 1340004552 / (1 + 3 + 4 + 0 + 0 + 0 + 4 + 5 + 5 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27916738 + ... + 27916785.

It is an arithmetic number, because the mean of its divisors is an integer number (209375715).

Almost surely, 2^1340004552 is an apocalyptic number.

1340004552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1340004552 is an abundant number, since it is smaller than the sum of its proper divisors (2010006888).

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

1340004552 is a wasteful number, since it uses less digits than its factorization.

1340004552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55833532 (or 55833528 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1340004552 is about 36606.0726109754. The cubic root of 1340004552 is about 1102.4750198216.

Adding to 1340004552 its reverse (2554000431), we get a palindrome (3894004983).

The spelling of 1340004552 in words is "one billion, three hundred forty million, four thousand, five hundred fifty-two".