2429397640260 has 60 divisors (see below), whose sum is σ = 7621110380268. Its totient is φ = 647839370304.

The previous prime is 2429397640247. The next prime is 2429397640277. The reversal of 2429397640260 is 620467939242.

2429397640260 is a `hidden beast` number, since 2 + 4 + 2 + 93 + 97 + 6 + 402 + 60 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1474825651776 + 954571988484 = 1214424^2 + 977022^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 2429397640197 and 2429397640206.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 749812467 + ... + 749815706.

Almost surely, 2^{2429397640260} is an apocalyptic number.

2429397640260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2429397640260 is an abundant number, since it is smaller than the sum of its proper divisors (5191712740008).

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

2429397640260 is a wasteful number, since it uses less digits than its factorization.

2429397640260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499628194 (or 1499628183 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The spelling of 2429397640260 in words is "two trillion, four hundred twenty-nine billion, three hundred ninety-seven million, six hundred forty thousand, two hundred sixty".