1337640040 has 32 divisors (see below), whose sum is σ = 3283299360. Its totient is φ = 486414400.

The previous prime is 1337640037. The next prime is 1337640089. The reversal of 1337640040 is 400467331.

It is a super-2 number, since 2×1337640040² = 3578561753222403200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1337639990 and 1337640008.

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, 1519606 + ... + 1520485.

It is an arithmetic number, because the mean of its divisors is an integer number (102603105).

Almost surely, 2^1337640040 is an apocalyptic number.

1337640040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1337640040 is an abundant number, since it is smaller than the sum of its proper divisors (1945659320).

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

1337640040 is a wasteful number, since it uses less digits than its factorization.

1337640040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040113 (or 3040109 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 1337640040 is about 36573.7616331708. The cubic root of 1337640040 is about 1101.8261786902.

The spelling of 1337640040 in words is "one billion, three hundred thirty-seven million, six hundred forty thousand, forty".