402534949026 has 32 divisors (see below), whose sum is σ = 942520860288. Its totient is φ = 112204863360.

The previous prime is 402534948967. The next prime is 402534949027. The reversal of 402534949026 is 620949435204.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (402534949027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116878345 + ... + 116881788.

It is an arithmetic number, because the mean of its divisors is an integer number (29453776884).

Almost surely, 2^402534949026 is an apocalyptic number.

402534949026 is an abundant number, since it is smaller than the sum of its proper divisors (539985911262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402534949026 is a wasteful number, since it uses less digits than its factorization.

402534949026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233760186.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 402534949026 in words is "four hundred two billion, five hundred thirty-four million, nine hundred forty-nine thousand, twenty-six".