2151002390 has 16 divisors (see below), whose sum is σ = 3888008640. Its totient is φ = 856800000.

The previous prime is 2151002387. The next prime is 2151002419. The reversal of 2151002390 is 932001512.

It is a super-2 number, since 2×2151002390² = 9253622563571424200, which contains 22 as substring.

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, 447611 + ... + 452390.

It is an arithmetic number, because the mean of its divisors is an integer number (243000540).

Almost surely, 2^2151002390 is an apocalyptic number.

2151002390 is a deficient number, since it is larger than the sum of its proper divisors (1737006250).

2151002390 is a wasteful number, since it uses less digits than its factorization.

2151002390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900247.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 2151002390 is about 46378.9002672552. The cubic root of 2151002390 is about 1290.8634305278.

The spelling of 2151002390 in words is "two billion, one hundred fifty-one million, two thousand, three hundred ninety".