1405259020742 has 32 divisors (see below), whose sum is σ = 2168876975328. Its totient is φ = 682456320000.

The previous prime is 1405259020741. The next prime is 1405259020801. The reversal of 1405259020742 is 2470209525041.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 1405259020742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405259020741) 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, 26956142 + ... + 27008222.

It is an arithmetic number, because the mean of its divisors is an integer number (67777405479).

Almost surely, 2^{1405259020742} is an apocalyptic number.

1405259020742 is a deficient number, since it is larger than the sum of its proper divisors (763617954586).

1405259020742 is a wasteful number, since it uses less digits than its factorization.

1405259020742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53576.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 1405259020742 in words is "one trillion, four hundred five billion, two hundred fifty-nine million, twenty thousand, seven hundred forty-two".