1340670032 has 20 divisors (see below), whose sum is σ = 2797360020. Its totient is φ = 618770688.

The previous prime is 1340670011. The next prime is 1340670041. The reversal of 1340670032 is 2300760431.

It can be written as a sum of positive squares in 2 ways, for example, as 175403536 + 1165266496 = 13244^2 + 34136^2 .

It is a super-2 number, since 2×1340670032² = 3594792269405762048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 1340669983 and 1340670010.

It is a congruent number.

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, 3222557 + ... + 3222972.

It is an arithmetic number, because the mean of its divisors is an integer number (139868001).

Almost surely, 2^1340670032 is an apocalyptic number.

It is an amenable number.

1340670032 is an abundant number, since it is smaller than the sum of its proper divisors (1456689988).

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

1340670032 is a wasteful number, since it uses less digits than its factorization.

1340670032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6445550 (or 6445544 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 1340670032 is about 36615.1612313806. The cubic root of 1340670032 is about 1102.6574952355.

It can be divided in two parts, 13406 and 70032, that added together give a palindrome (83438).

The spelling of 1340670032 in words is "one billion, three hundred forty million, six hundred seventy thousand, thirty-two".