240689082906 has 32 divisors (see below), whose sum is σ = 534953718720. Its totient is φ = 80216330832.

The previous prime is 240689082889. The next prime is 240689082923. The reversal of 240689082906 is 609280986042.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (240689082889) and next prime (240689082923).

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 41320 + ... + 695043.

It is an arithmetic number, because the mean of its divisors is an integer number (16717303710).

Almost surely, 2^240689082906 is an apocalyptic number.

240689082906 is an abundant number, since it is smaller than the sum of its proper divisors (294264635814).

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

240689082906 is a wasteful number, since it uses less digits than its factorization.

240689082906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742427 (or 742421 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

It can be divided in two parts, 2406890 and 82906, that added together give a triangular number (2489796 = T₂₂₃₁).

The spelling of 240689082906 in words is "two hundred forty billion, six hundred eighty-nine million, eighty-two thousand, nine hundred six".