402545342 has 16 divisors (see below), whose sum is σ = 610373232. Its totient is φ = 199093440.

The previous prime is 402545291. The next prime is 402545347. The reversal of 402545342 is 243545204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402545347) 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, 233042 + ... + 234762.

It is an arithmetic number, because the mean of its divisors is an integer number (38148327).

Almost surely, 2^402545342 is an apocalyptic number.

402545342 is a deficient number, since it is larger than the sum of its proper divisors (207827890).

402545342 is a wasteful number, since it uses less digits than its factorization.

402545342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 402545342 is about 20063.5326400911. The cubic root of 402545342 is about 738.3658497513.

The spelling of 402545342 in words is "four hundred two million, five hundred forty-five thousand, three hundred forty-two".