40242169401 has 16 divisors (see below), whose sum is σ = 61326059904. Its totient is φ = 22993778304.

The previous prime is 40242169399. The next prime is 40242169411. The reversal of 40242169401 is 10496124204.

It is not a de Polignac number, because 40242169401 - 2¹ = 40242169399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40242169411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241815 + ... + 372771.

It is an arithmetic number, because the mean of its divisors is an integer number (3832878744).

Almost surely, 2^40242169401 is an apocalyptic number.

It is an amenable number.

40242169401 is a deficient number, since it is larger than the sum of its proper divisors (21083890503).

40242169401 is a wasteful number, since it uses less digits than its factorization.

40242169401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145600.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 40242169401 in words is "forty billion, two hundred forty-two million, one hundred sixty-nine thousand, four hundred one".