1020010040 has 64 divisors (see below), whose sum is σ = 2713348800. Its totient is φ = 337655808.

The previous prime is 1020010039. The next prime is 1020010051. The reversal of 1020010040 is 400100201.

1020010040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54689 + ... + 70928.

It is an arithmetic number, because the mean of its divisors is an integer number (42396075).

Almost surely, 2^1020010040 is an apocalyptic number.

1020010040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020010040 is an abundant number, since it is smaller than the sum of its proper divisors (1693338760).

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

1020010040 is a wasteful number, since it uses less digits than its factorization.

1020010040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125664 (or 125660 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1020010040 is about 31937.5960272529. The cubic root of 1020010040 is about 1006.6260123244.

Adding to 1020010040 its reverse (400100201), we get a palindrome (1420110241).

The spelling of 1020010040 in words is "one billion, twenty million, ten thousand, forty".