402650245 has 8 divisors (see below), whose sum is σ = 485471520. Its totient is φ = 320592720.

The previous prime is 402650233. The next prime is 402650249. The reversal of 402650245 is 542056204.

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

It is not a de Polignac number, because 402650245 - 2²⁵ = 369095813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402650249) 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, 189775 + ... + 191884.

It is an arithmetic number, because the mean of its divisors is an integer number (60683940).

Almost surely, 2^402650245 is an apocalyptic number.

It is an amenable number.

402650245 is a deficient number, since it is larger than the sum of its proper divisors (82821275).

402650245 is a wasteful number, since it uses less digits than its factorization.

402650245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381875.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 402650245 is about 20066.1467402190. The cubic root of 402650245 is about 738.4299833675.

The spelling of 402650245 in words is "four hundred two million, six hundred fifty thousand, two hundred forty-five".