7406700040 has 32 divisors (see below), whose sum is σ = 16707951000. Its totient is φ = 2955057664.

The previous prime is 7406699983. The next prime is 7406700043. The reversal of 7406700040 is 400076047.

It can be written as a sum of positive squares in 4 ways, for example, as 3345696964 + 4061003076 = 57842^2 + 63726^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7406699981 and 7406700008.

It is not an unprimeable number, because it can be changed into a prime (7406700043) 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, 222445 + ... + 253564.

Almost surely, 2^7406700040 is an apocalyptic number.

It is an amenable number.

7406700040 is an abundant number, since it is smaller than the sum of its proper divisors (9301250960).

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

7406700040 is a wasteful number, since it uses less digits than its factorization.

7406700040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476409 (or 476405 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 7406700040 is about 86062.1870509924. The cubic root of 7406700040 is about 1949.2831061879.

Adding to 7406700040 its reverse (400076047), we get a palindrome (7806776087).

The spelling of 7406700040 in words is "seven billion, four hundred six million, seven hundred thousand, forty".