403411321323978 has 32 divisors (see below), whose sum is σ = 880170937474752. Its totient is φ = 122245746355200.

The previous prime is 403411321323971. The next prime is 403411321323979. The reversal of 403411321323978 is 879323123114304.

It is a self number, because there is not a number n which added to its sum of digits gives 403411321323978.

It is not an unprimeable number, because it can be changed into a prime (403411321323971) 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, 103238400 + ... + 107074692.

It is an arithmetic number, because the mean of its divisors is an integer number (27505341796086).

Almost surely, 2^{403411321323978} is an apocalyptic number.

403411321323978 is an abundant number, since it is smaller than the sum of its proper divisors (476759616150774).

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

403411321323978 is a wasteful number, since it uses less digits than its factorization.

403411321323978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5429590.

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 403411321323978 in words is "four hundred three trillion, four hundred eleven billion, three hundred twenty-one million, three hundred twenty-three thousand, nine hundred seventy-eight".