490454542 has 4 divisors (see below), whose sum is σ = 735681816. Its totient is φ = 245227270.

The previous prime is 490454537. The next prime is 490454561. The reversal of 490454542 is 245454094.

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, 122613634 + ... + 122613637.

It is an arithmetic number, because the mean of its divisors is an integer number (183920454).

Almost surely, 2^490454542 is an apocalyptic number.

490454542 is a deficient number, since it is larger than the sum of its proper divisors (245227274).

490454542 is a wasteful number, since it uses less digits than its factorization.

490454542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245227273.

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 490454542 is about 22146.2082984876. The cubic root of 490454542 is about 788.6172157160.

The spelling of 490454542 in words is "four hundred ninety million, four hundred fifty-four thousand, five hundred forty-two".