407481332678 has 64 divisors (see below), whose sum is σ = 708492261888. Its totient is φ = 172165098240.

The previous prime is 407481332677. The next prime is 407481332723. The reversal of 407481332678 is 876233184704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407481332677) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 419650733 + ... + 419651703.

It is an arithmetic number, because the mean of its divisors is an integer number (11070191592).

Almost surely, 2^407481332678 is an apocalyptic number.

407481332678 is a deficient number, since it is larger than the sum of its proper divisors (301010929210).

407481332678 is a wasteful number, since it uses less digits than its factorization.

407481332678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157.

The product of its (nonzero) digits is 5419008, while the sum is 53.

The spelling of 407481332678 in words is "four hundred seven billion, four hundred eighty-one million, three hundred thirty-two thousand, six hundred seventy-eight".