340105514520 has 64 divisors (see below), whose sum is σ = 1022148551520. Its totient is φ = 90531958784.

The previous prime is 340105514513. The next prime is 340105514549. The reversal of 340105514520 is 25415501043.

It is a super-2 number, since 2×340105514520² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2477337 + ... + 2611016.

Almost surely, 2^340105514520 is an apocalyptic number.

340105514520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

340105514520 is an abundant number, since it is smaller than the sum of its proper divisors (682043037000).

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

340105514520 is a wasteful number, since it uses less digits than its factorization.

340105514520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5088924 (or 5088920 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 340105514520 in words is "three hundred forty billion, one hundred five million, five hundred fourteen thousand, five hundred twenty".