2152438406 has 8 divisors (see below), whose sum is σ = 3339990720. Its totient is φ = 1039108168.

The previous prime is 2152438397. The next prime is 2152438423. The reversal of 2152438406 is 6048342512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18555446 + ... + 18555561.

It is an arithmetic number, because the mean of its divisors is an integer number (417498840).

Almost surely, 2^2152438406 is an apocalyptic number.

2152438406 is a deficient number, since it is larger than the sum of its proper divisors (1187552314).

2152438406 is a wasteful number, since it uses less digits than its factorization.

2152438406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37111038.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 2152438406 is about 46394.3790345339. The cubic root of 2152438406 is about 1291.1506281291.

The spelling of 2152438406 in words is "two billion, one hundred fifty-two million, four hundred thirty-eight thousand, four hundred six".