1408343309640 has 192 divisors, whose sum is σ = 4824454340160. Its totient is φ = 369401368320.

The previous prime is 1408343309617. The next prime is 1408343309677. The reversal of 1408343309640 is 469033438041.

1408343309640 is a `hidden beast` number, since 14 + 0 + 83 + 433 + 0 + 96 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 594714 + ... + 1780553.

It is an arithmetic number, because the mean of its divisors is an integer number (25127366355).

Almost surely, 2^{1408343309640} is an apocalyptic number.

1408343309640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1408343309640 is an abundant number, since it is smaller than the sum of its proper divisors (3416111030520).

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

1408343309640 is a wasteful number, since it uses less digits than its factorization.

1408343309640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375354 (or 2375338 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 1408343309640 in words is "one trillion, four hundred eight billion, three hundred forty-three million, three hundred nine thousand, six hundred forty".