340155540 has 36 divisors (see below), whose sum is σ = 1031805684. Its totient is φ = 90708096.

The previous prime is 340155493. The next prime is 340155551. The reversal of 340155540 is 45551043.

It can be written as a sum of positive squares in 2 ways, for example, as 258180624 + 81974916 = 16068^2 + 9054^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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, 944697 + ... + 945056.

It is an arithmetic number, because the mean of its divisors is an integer number (28661269).

Almost surely, 2^340155540 is an apocalyptic number.

340155540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

340155540 is an abundant number, since it is smaller than the sum of its proper divisors (691650144).

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

340155540 is a wasteful number, since it uses less digits than its factorization.

340155540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889768 (or 1889763 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 340155540 is about 18443.3061027572. The cubic root of 340155540 is about 698.0596194864.

The spelling of 340155540 in words is "three hundred forty million, one hundred fifty-five thousand, five hundred forty".