1214650440 has 48 divisors (see below), whose sum is σ = 3947615100. Its totient is φ = 323906688.

The previous prime is 1214650427. The next prime is 1214650453. The reversal of 1214650440 is 440564121.

1214650440 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 650 + 4 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1214650427) and next prime (1214650453).

It can be written as a sum of positive squares in 2 ways, for example, as 1157768676 + 56881764 = 34026^2 + 7542^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1686655 + ... + 1687374.

Almost surely, 2^1214650440 is an apocalyptic number.

1214650440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1214650440 is an abundant number, since it is smaller than the sum of its proper divisors (2732964660).

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

1214650440 is a wasteful number, since it uses less digits than its factorization.

1214650440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374046 (or 3374039 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 1214650440 is about 34851.8355327234. The cubic root of 1214650440 is about 1066.9656483938.

The spelling of 1214650440 in words is "one billion, two hundred fourteen million, six hundred fifty thousand, four hundred forty".