3402320040 has 96 divisors (see below), whose sum is σ = 12637198080. Its totient is φ = 777672576.

The previous prime is 3402320017. The next prime is 3402320069. The reversal of 3402320040 is 400232043.

3402320040 is a `hidden beast` number, since 340 + 2 + 320 + 0 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3402319995 and 3402320022.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 672544 + ... + 677583.

It is an arithmetic number, because the mean of its divisors is an integer number (131637480).

Almost surely, 2^3402320040 is an apocalyptic number.

3402320040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3402320040 is an abundant number, since it is smaller than the sum of its proper divisors (9234878040).

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

3402320040 is a wasteful number, since it uses less digits than its factorization.

3402320040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350151 (or 1350144 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 3402320040 is about 58329.4097347127. The cubic root of 3402320040 is about 1504.0365411467.

Adding to 3402320040 its reverse (400232043), we get a palindrome (3802552083).

The spelling of 3402320040 in words is "three billion, four hundred two million, three hundred twenty thousand, forty".