40378751514 has 12 divisors (see below), whose sum is σ = 87487294986. Its totient is φ = 13459583832.

The previous prime is 40378751513. The next prime is 40378751551. The reversal of 40378751514 is 41515787304.

40378751514 is a `hidden beast` number, since 4 + 0 + 3 + 7 + 87 + 51 + 514 = 666.

It can be written as a sum of positive squares in only one way, i.e., 35031485889 + 5347265625 = 187167^2 + 73125^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40378751514.

It is not an unprimeable number, because it can be changed into a prime (40378751513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1121631969 + ... + 1121632004.

Almost surely, 2^40378751514 is an apocalyptic number.

40378751514 is an abundant number, since it is smaller than the sum of its proper divisors (47108543472).

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

40378751514 is a wasteful number, since it uses less digits than its factorization.

40378751514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243263981 (or 2243263978 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The spelling of 40378751514 in words is "forty billion, three hundred seventy-eight million, seven hundred fifty-one thousand, five hundred fourteen".