402142532489 has 8 divisors (see below), whose sum is σ = 404139265920. Its totient is φ = 400150724400.

The previous prime is 402142532471. The next prime is 402142532527. The reversal of 402142532489 is 984235241204.

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 402142532489 - 2¹⁶ = 402142466953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402142582489) 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, 1067582 + ... + 1394279.

It is an arithmetic number, because the mean of its divisors is an integer number (50517408240).

Almost surely, 2^402142532489 is an apocalyptic number.

It is an amenable number.

402142532489 is a deficient number, since it is larger than the sum of its proper divisors (1996733431).

402142532489 is a wasteful number, since it uses less digits than its factorization.

402142532489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462671.

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 402142532489 in words is "four hundred two billion, one hundred forty-two million, five hundred thirty-two thousand, four hundred eighty-nine".