402216377 has 8 divisors (see below), whose sum is σ = 426434400. Its totient is φ = 378303264.

The previous prime is 402216361. The next prime is 402216389. The reversal of 402216377 is 773612204.

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 402216377 - 2⁴ = 402216361 is a prime.

It is a super-2 number, since 2×402216377² = 323556027854012258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402216337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73508 + ... + 78789.

It is an arithmetic number, because the mean of its divisors is an integer number (53304300).

Almost surely, 2^402216377 is an apocalyptic number.

It is an amenable number.

402216377 is a deficient number, since it is larger than the sum of its proper divisors (24218023).

402216377 is a wasteful number, since it uses less digits than its factorization.

402216377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152455.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 402216377 is about 20055.3328818048. The cubic root of 402216377 is about 738.1646610549.

The spelling of 402216377 in words is "four hundred two million, two hundred sixteen thousand, three hundred seventy-seven".