340553479 has 24 divisors (see below), whose sum is σ = 414914400. Its totient is φ = 278175744.

The previous prime is 340553459. The next prime is 340553489. The reversal of 340553479 is 974355043.

It is a happy number.

It is not a de Polignac number, because 340553479 - 2¹⁵ = 340520711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340553419) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 505687 + ... + 506359.

It is an arithmetic number, because the mean of its divisors is an integer number (17288100).

Almost surely, 2^340553479 is an apocalyptic number.

340553479 is a deficient number, since it is larger than the sum of its proper divisors (74360921).

340553479 is a wasteful number, since it uses less digits than its factorization.

340553479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 40.

The square root of 340553479 is about 18454.0911182318. The cubic root of 340553479 is about 698.3317272529.

The spelling of 340553479 in words is "three hundred forty million, five hundred fifty-three thousand, four hundred seventy-nine".