14649651940 has 96 divisors (see below), whose sum is σ = 39247617024. Its totient is φ = 4459916160.

The previous prime is 14649651917. The next prime is 14649651941. The reversal of 14649651940 is 4915694641.

It is a super-2 number, since 2×14649651940² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14649651941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44394 + ... + 176833.

It is an arithmetic number, because the mean of its divisors is an integer number (408829344).

Almost surely, 2^14649651940 is an apocalyptic number.

14649651940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14649651940 is an abundant number, since it is smaller than the sum of its proper divisors (24597965084).

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

14649651940 is a wasteful number, since it uses less digits than its factorization.

14649651940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221297 (or 221295 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 14649651940 in words is "fourteen billion, six hundred forty-nine million, six hundred fifty-one thousand, nine hundred forty".