1218480454 has 16 divisors (see below), whose sum is σ = 1842627600. Its totient is φ = 604285344.

The previous prime is 1218480401. The next prime is 1218480481. The reversal of 1218480454 is 4540848121.

It is a super-2 number, since 2×1218480454² = 2969389233560092232, which contains 22 as substring.

It is a congruent number.

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, 191232 + ... + 197500.

It is an arithmetic number, because the mean of its divisors is an integer number (115164225).

Almost surely, 2^1218480454 is an apocalyptic number.

1218480454 is a deficient number, since it is larger than the sum of its proper divisors (624147146).

1218480454 is a wasteful number, since it uses less digits than its factorization.

1218480454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7047.

The product of its (nonzero) digits is 40960, while the sum is 37.

The square root of 1218480454 is about 34906.7393779482. The cubic root of 1218480454 is about 1068.0859174008.

The spelling of 1218480454 in words is "one billion, two hundred eighteen million, four hundred eighty thousand, four hundred fifty-four".