1400057742 has 8 divisors (see below), whose sum is σ = 2800115496. Its totient is φ = 466685912.

The previous prime is 1400057741. The next prime is 1400057749. The reversal of 1400057742 is 2477500041.

It is a sphenic number, since it is the product of 3 distinct primes.

1400057742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400057741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116671473 + ... + 116671484.

It is an arithmetic number, because the mean of its divisors is an integer number (350014437).

Almost surely, 2^1400057742 is an apocalyptic number.

1400057742 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1400057742 is a wasteful number, since it uses less digits than its factorization.

1400057742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233342962.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 1400057742 is about 37417.3454697150. The cubic root of 1400057742 is about 1118.7043217121.

Adding to 1400057742 its reverse (2477500041), we get a palindrome (3877557783).

The spelling of 1400057742 in words is "one billion, four hundred million, fifty-seven thousand, seven hundred forty-two".