140210040 has 64 divisors (see below), whose sum is σ = 421408800. Its totient is φ = 37320192.

The previous prime is 140210039. The next prime is 140210087. The reversal of 140210040 is 40012041.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 140209998 and 140210025.

It is a congruent number.

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, 127734 + ... + 128826.

Almost surely, 2^140210040 is an apocalyptic number.

140210040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140210040 is an abundant number, since it is smaller than the sum of its proper divisors (281198760).

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

140210040 is a wasteful number, since it uses less digits than its factorization.

140210040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176 (or 2172 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 140210040 is about 11841.0320496146. The cubic root of 140210040 is about 519.5089545888.

Adding to 140210040 its reverse (40012041), we get a palindrome (180222081).

The spelling of 140210040 in words is "one hundred forty million, two hundred ten thousand, forty".