1070402040 has 160 divisors (see below), whose sum is σ = 3634472160. Its totient is φ = 282528000.

The previous prime is 1070402027. The next prime is 1070402051. The reversal of 1070402040 is 402040701.

It is a happy number.

It is a super-2 number, since 2×1070402040² = 2291521054472323200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 325605 + ... + 328875.

It is an arithmetic number, because the mean of its divisors is an integer number (22715451).

Almost surely, 2^1070402040 is an apocalyptic number.

1070402040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1070402040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1817236080).

1070402040 is an abundant number, since it is smaller than the sum of its proper divisors (2564070120).

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

1070402040 is a wasteful number, since it uses less digits than its factorization.

1070402040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395 (or 3382 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 1070402040 is about 32716.9992511538. Note that the first 3 decimals coincide. The cubic root of 1070402040 is about 1022.9372085882.

Adding to 1070402040 its reverse (402040701), we get a palindrome (1472442741).

The spelling of 1070402040 in words is "one billion, seventy million, four hundred two thousand, forty".