3465426240 has 140 divisors (see below), whose sum is σ = 12327222996. Its totient is φ = 924106752.

The previous prime is 3465426221. The next prime is 3465426277. The reversal of 3465426240 is 426245643.

3465426240 is a `hidden beast` number, since 346 + 54 + 26 + 240 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 649638144 + 2815788096 = 25488^2 + 53064^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3465426195 and 3465426204.

It is a congruent number.

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, 40929 + ... + 92768.

Almost surely, 2^3465426240 is an apocalyptic number.

3465426240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3465426240 is an abundant number, since it is smaller than the sum of its proper divisors (8861796756).

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

3465426240 is a wasteful number, since it uses less digits than its factorization.

3465426240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133726 (or 133707 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The square root of 3465426240 is about 58867.8710333574. The cubic root of 3465426240 is about 1513.2785859128.

The spelling of 3465426240 in words is "three billion, four hundred sixty-five million, four hundred twenty-six thousand, two hundred forty".