1975010040 has 80 divisors (see below), whose sum is σ = 6638239080. Its totient is φ = 526668480.

The previous prime is 1975010021. The next prime is 1975010041. The reversal of 1975010040 is 400105791.

1975010040 is digitally balanced in base 4, 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 (27).

It is a junction number, because it is equal to n+sod(n) for n = 1975009986 and 1975010013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1975010041) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 301546 + ... + 308025.

Almost surely, 2^1975010040 is an apocalyptic number.

1975010040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1975010040 is an abundant number, since it is smaller than the sum of its proper divisors (4663229040).

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

1975010040 is a wasteful number, since it uses less digits than its factorization.

1975010040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609594 (or 609581 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 1975010040 is about 44441.0850452596. The cubic root of 1975010040 is about 1254.6514780648.

The spelling of 1975010040 in words is "one billion, nine hundred seventy-five million, ten thousand, forty".