40014021052 has 24 divisors (see below), whose sum is σ = 73770480000. Its totient is φ = 18938468016.

The previous prime is 40014021049. The next prime is 40014021077. The reversal of 40014021052 is 25012041004.

It is a super-2 number, since 2×40014021052² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122302 + ... + 308197.

It is an arithmetic number, because the mean of its divisors is an integer number (3073770000).

Almost surely, 2^40014021052 is an apocalyptic number.

It is an amenable number.

40014021052 is a deficient number, since it is larger than the sum of its proper divisors (33756458948).

40014021052 is a wasteful number, since it uses less digits than its factorization.

40014021052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431745 (or 431743 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 40014021052 its reverse (25012041004), we get a palindrome (65026062056).

The spelling of 40014021052 in words is "forty billion, fourteen million, twenty-one thousand, fifty-two".