1012260040 has 32 divisors (see below), whose sum is σ = 2484639360. Its totient is φ = 368094400.

The previous prime is 1012260037. The next prime is 1012260049. The reversal of 1012260040 is 400622101.

It is a junction number, because it is equal to n+sod(n) for n = 1012259996 and 1012260023.

It is not an unprimeable number, because it can be changed into a prime (1012260049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1149856 + ... + 1150735.

It is an arithmetic number, because the mean of its divisors is an integer number (77644980).

Almost surely, 2^1012260040 is an apocalyptic number.

1012260040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012260040 is an abundant number, since it is smaller than the sum of its proper divisors (1472379320).

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

1012260040 is a wasteful number, since it uses less digits than its factorization.

1012260040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300613 (or 2300609 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1012260040 is about 31816.0343223350. The cubic root of 1012260040 is about 1004.0700918775.

Adding to 1012260040 its reverse (400622101), we get a palindrome (1412882141).

The spelling of 1012260040 in words is "one billion, twelve million, two hundred sixty thousand, forty".