42015440331454 has 8 divisors (see below), whose sum is σ = 63045328342680. Its totient is φ = 21000330883896.

The previous prime is 42015440331379. The next prime is 42015440331457. The reversal of 42015440331454 is 45413304451024.

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 (42015440331457) 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, 3694633809 + ... + 3694645180.

It is an arithmetic number, because the mean of its divisors is an integer number (7880666042835).

Almost surely, 2^{42015440331454} is an apocalyptic number.

42015440331454 is a deficient number, since it is larger than the sum of its proper divisors (21029888011226).

42015440331454 is a wasteful number, since it uses less digits than its factorization.

42015440331454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7389281834.

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 42015440331454 its reverse (45413304451024), we get a palindrome (87428744782478).

The spelling of 42015440331454 in words is "forty-two trillion, fifteen billion, four hundred forty million, three hundred thirty-one thousand, four hundred fifty-four".