1071041840 has 40 divisors (see below), whose sum is σ = 2716553808. Its totient is φ = 389469440.

The previous prime is 1071041827. The next prime is 1071041857. The reversal of 1071041840 is 481401701.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1071041840² = 2294261246061171200, 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, 607667 + ... + 609426.

Almost surely, 2^1071041840 is an apocalyptic number.

1071041840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1071041840 is an abundant number, since it is smaller than the sum of its proper divisors (1645511968).

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

1071041840 is a wasteful number, since it uses less digits than its factorization.

1071041840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217117 (or 1217111 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 1071041840 is about 32726.7755820826. The cubic root of 1071041840 is about 1023.1409777788.

The spelling of 1071041840 in words is "one billion, seventy-one million, forty-one thousand, eight hundred forty".