1957440014 has 8 divisors (see below), whose sum is σ = 2962144080. Its totient is φ = 970058656.

The previous prime is 1957440011. The next prime is 1957440019. The reversal of 1957440014 is 4100447591.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1957440011) 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, 4330394 + ... + 4330845.

It is an arithmetic number, because the mean of its divisors is an integer number (370268010).

Almost surely, 2^1957440014 is an apocalyptic number.

1957440014 is a deficient number, since it is larger than the sum of its proper divisors (1004704066).

1957440014 is a wasteful number, since it uses less digits than its factorization.

1957440014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8661354.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 1957440014 is about 44242.9657007755. The cubic root of 1957440014 is about 1250.9198592411.

The spelling of 1957440014 in words is "one billion, nine hundred fifty-seven million, four hundred forty thousand, fourteen".