1214600640 has 112 divisors (see below), whose sum is σ = 4206971520. Its totient is φ = 294446080.

The previous prime is 1214600627. The next prime is 1214600641. The reversal of 1214600640 is 460064121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1214600640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214600641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46950 + ... + 68069.

Almost surely, 2^1214600640 is an apocalyptic number.

1214600640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214600640 is an abundant number, since it is smaller than the sum of its proper divisors (2992370880).

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

1214600640 is a wasteful number, since it uses less digits than its factorization.

1214600640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115050 (or 115040 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1214600640 is about 34851.1210723558. The cubic root of 1214600640 is about 1066.9510665263.

Adding to 1214600640 its reverse (460064121), we get a palindrome (1674664761).

The spelling of 1214600640 in words is "one billion, two hundred fourteen million, six hundred thousand, six hundred forty".