1045616420 has 12 divisors (see below), whose sum is σ = 2195794524. Its totient is φ = 418246560.

The previous prime is 1045616419. The next prime is 1045616443. The reversal of 1045616420 is 246165401.

It can be written as a sum of positive squares in 2 ways, for example, as 826102564 + 219513856 = 28742^2 + 14816^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26140391 + ... + 26140430.

It is an arithmetic number, because the mean of its divisors is an integer number (182982877).

Almost surely, 2^1045616420 is an apocalyptic number.

1045616420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045616420 is an abundant number, since it is smaller than the sum of its proper divisors (1150178104).

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

1045616420 is a wasteful number, since it uses less digits than its factorization.

1045616420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52280830 (or 52280828 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1045616420 is about 32335.9926397814. The cubic root of 1045616420 is about 1014.9799538212.

The spelling of 1045616420 in words is "one billion, forty-five million, six hundred sixteen thousand, four hundred twenty".