402003430400402 has 8 divisors (see below), whose sum is σ = 612005222400816. Its totient is φ = 198001689600132.

The previous prime is 402003430400333. The next prime is 402003430400477. The reversal of 402003430400402 is 204004034300204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1500012799868 + ... + 1500012800135.

It is an arithmetic number, because the mean of its divisors is an integer number (76500652800102).

Almost surely, 2^{402003430400402} is an apocalyptic number.

402003430400402 is a deficient number, since it is larger than the sum of its proper divisors (210001792000414).

402003430400402 is a wasteful number, since it uses less digits than its factorization.

402003430400402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000025600072.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 402003430400402 its reverse (204004034300204), we get a palindrome (606007464700606).

The spelling of 402003430400402 in words is "four hundred two trillion, three billion, four hundred thirty million, four hundred thousand, four hundred two".