1071990476 has 24 divisors (see below), whose sum is σ = 1929928896. Its totient is φ = 520749440.

The previous prime is 1071990443. The next prime is 1071990541. The reversal of 1071990476 is 6740991701.

It is a super-2 number, since 2×1071990476² = 2298327161269413152, which contains 22 as substring.

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, 4946 + ... + 46566.

It is an arithmetic number, because the mean of its divisors is an integer number (80413704).

Almost surely, 2^1071990476 is an apocalyptic number.

It is an amenable number.

1071990476 is a deficient number, since it is larger than the sum of its proper divisors (857938420).

1071990476 is a wasteful number, since it uses less digits than its factorization.

1071990476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41809 (or 41807 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 1071990476 is about 32741.2656444433. The cubic root of 1071990476 is about 1023.4429584967.

The spelling of 1071990476 in words is "one billion, seventy-one million, nine hundred ninety thousand, four hundred seventy-six".