3120002040 has 32 divisors (see below), whose sum is σ = 9360006480. Its totient is φ = 832000512.

The previous prime is 3120002021. The next prime is 3120002057. The reversal of 3120002040 is 402000213.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12999889 + ... + 13000128.

Almost surely, 2^3120002040 is an apocalyptic number.

3120002040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3120002040 is an abundant number, since it is smaller than the sum of its proper divisors (6240004440).

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

3120002040 is a wasteful number, since it uses less digits than its factorization.

3120002040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26000031 (or 26000027 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 3120002040 is about 55856.9784360021. The cubic root of 3120002040 is about 1461.2290332854.

Adding to 3120002040 its reverse (402000213), we get a palindrome (3522002253).

The spelling of 3120002040 in words is "three billion, one hundred twenty million, two thousand, forty".