1478061490 has 32 divisors (see below), whose sum is σ = 2821029120. Its totient is φ = 556009344.

The previous prime is 1478061469. The next prime is 1478061491. The reversal of 1478061490 is 941608741.

It is not an unprimeable number, because it can be changed into a prime (1478061491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2362 + ... + 54421.

It is an arithmetic number, because the mean of its divisors is an integer number (88157160).

Almost surely, 2^1478061490 is an apocalyptic number.

1478061490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1478061490 is a deficient number, since it is larger than the sum of its proper divisors (1342967630).

1478061490 is a wasteful number, since it uses less digits than its factorization.

1478061490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56946.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 1478061490 is about 38445.5652839180. The cubic root of 1478061490 is about 1139.1060730928.

The spelling of 1478061490 in words is "one billion, four hundred seventy-eight million, sixty-one thousand, four hundred ninety".