40381488943542 has 96 divisors (see below), whose sum is σ = 89602031540736. Its totient is φ = 13139853955200.

The previous prime is 40381488943541. The next prime is 40381488943577. The reversal of 40381488943542 is 24534988418304.

40381488943542 is a `hidden beast` number, since 4 + 0 + 3 + 8 + 1 + 4 + 8 + 89 + 4 + 3 + 542 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 40381488943542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40381488943541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 900485773 + ... + 900530615.

It is an arithmetic number, because the mean of its divisors is an integer number (933354495216).

Almost surely, 2^{40381488943542} is an apocalyptic number.

40381488943542 is an abundant number, since it is smaller than the sum of its proper divisors (49220542597194).

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

40381488943542 is a wasteful number, since it uses less digits than its factorization.

40381488943542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51866 (or 51863 counting only the distinct ones).

The product of its (nonzero) digits is 106168320, while the sum is 63.

The spelling of 40381488943542 in words is "forty trillion, three hundred eighty-one billion, four hundred eighty-eight million, nine hundred forty-three thousand, five hundred forty-two".