13490557240 has 32 divisors (see below), whose sum is σ = 30474707760. Its totient is φ = 5374720000.

The previous prime is 13490557231. The next prime is 13490557351. The reversal of 13490557240 is 4275509431.

It is a happy number.

It is a super-3 number, since 3×13490557240³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 13490557193 and 13490557202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661801 + ... + 681880.

Almost surely, 2^13490557240 is an apocalyptic number.

13490557240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13490557240 is an abundant number, since it is smaller than the sum of its proper divisors (16984150520).

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

13490557240 is a wasteful number, since it uses less digits than its factorization.

13490557240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343943 (or 1343939 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 13490557240 in words is "thirteen billion, four hundred ninety million, five hundred fifty-seven thousand, two hundred forty".