454140450402 has 16 divisors (see below), whose sum is σ = 947771375040. Its totient is φ = 144798404432.

The previous prime is 454140450343. The next prime is 454140450427. The reversal of 454140450402 is 204054041454.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1645436277 + ... + 1645436552.

It is an arithmetic number, because the mean of its divisors is an integer number (59235710940).

Almost surely, 2^454140450402 is an apocalyptic number.

454140450402 is an abundant number, since it is smaller than the sum of its proper divisors (493630924638).

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

454140450402 is a wasteful number, since it uses less digits than its factorization.

454140450402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290872857.

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 454140450402 its reverse (204054041454), we get a palindrome (658194491856).

The spelling of 454140450402 in words is "four hundred fifty-four billion, one hundred forty million, four hundred fifty thousand, four hundred two".