400616513 has 8 divisors (see below), whose sum is σ = 438617280. Its totient is φ = 362879280.

The previous prime is 400616497. The next prime is 400616519. The reversal of 400616513 is 315616004.

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

It is a cyclic number.

It is not a de Polignac number, because 400616513 - 2⁴ = 400616497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400616519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62693 + ... + 68786.

It is an arithmetic number, because the mean of its divisors is an integer number (54827160).

Almost surely, 2^400616513 is an apocalyptic number.

It is an amenable number.

400616513 is a deficient number, since it is larger than the sum of its proper divisors (38000767).

400616513 is a wasteful number, since it uses less digits than its factorization.

400616513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131767.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 400616513 is about 20015.4068906930. The cubic root of 400616513 is about 737.1846476328.

The spelling of 400616513 in words is "four hundred million, six hundred sixteen thousand, five hundred thirteen".