402453542 has 4 divisors (see below), whose sum is σ = 603680316. Its totient is φ = 201226770.

The previous prime is 402453509. The next prime is 402453553. The reversal of 402453542 is 245354204.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100613384 + ... + 100613387.

It is an arithmetic number, because the mean of its divisors is an integer number (150920079).

Almost surely, 2^402453542 is an apocalyptic number.

402453542 is a deficient number, since it is larger than the sum of its proper divisors (201226774).

402453542 is a wasteful number, since it uses less digits than its factorization.

402453542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201226773.

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

The square root of 402453542 is about 20061.2447769325. The cubic root of 402453542 is about 738.3097176579.

The spelling of 402453542 in words is "four hundred two million, four hundred fifty-three thousand, five hundred forty-two".