140426244 has 48 divisors (see below), whose sum is σ = 416080000. Its totient is φ = 40121568.

The previous prime is 140426243. The next prime is 140426267. The reversal of 140426244 is 442624041.

140426244 = T₄₀₁ + T₄₀₂ + ... + T₉₆₇.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (140426243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92119 + ... + 93630.

Almost surely, 2^140426244 is an apocalyptic number.

140426244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140426244 is an abundant number, since it is smaller than the sum of its proper divisors (275653756).

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

140426244 is a wasteful number, since it uses less digits than its factorization.

140426244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185769 (or 185761 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 140426244 is about 11850.1579736306. The cubic root of 140426244 is about 519.7758452028.

The spelling of 140426244 in words is "one hundred forty million, four hundred twenty-six thousand, two hundred forty-four".