402074401542 has 16 divisors (see below), whose sum is σ = 877253239872. Its totient is φ = 121840727720.

The previous prime is 402074401471. The next prime is 402074401559. The reversal of 402074401542 is 245104470204.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3046018128 + ... + 3046018259.

It is an arithmetic number, because the mean of its divisors is an integer number (54828327492).

Almost surely, 2^402074401542 is an apocalyptic number.

402074401542 is an abundant number, since it is smaller than the sum of its proper divisors (475178838330).

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

402074401542 is a wasteful number, since it uses less digits than its factorization.

402074401542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6092036403.

The product of its (nonzero) digits is 35840, while the sum is 33.

Adding to 402074401542 its reverse (245104470204), we get a palindrome (647178871746).

The spelling of 402074401542 in words is "four hundred two billion, seventy-four million, four hundred one thousand, five hundred forty-two".