1401049240 has 16 divisors (see below), whose sum is σ = 3152360880. Its totient is φ = 560419680.

The previous prime is 1401049211. The next prime is 1401049259. The reversal of 1401049240 is 429401041.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17513076 + ... + 17513155.

It is an arithmetic number, because the mean of its divisors is an integer number (197022555).

Almost surely, 2^1401049240 is an apocalyptic number.

1401049240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401049240 is an abundant number, since it is smaller than the sum of its proper divisors (1751311640).

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

1401049240 is a wasteful number, since it uses less digits than its factorization.

1401049240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35026242 (or 35026238 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1401049240 is about 37430.5923009508. The cubic root of 1401049240 is about 1118.9683420997.

The spelling of 1401049240 in words is "one billion, four hundred one million, forty-nine thousand, two hundred forty".