157671280442 has 32 divisors (see below), whose sum is σ = 258394644480. Its totient is φ = 71717270400.

The previous prime is 157671280439. The next prime is 157671280457. The reversal of 157671280442 is 244082176751.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2395067 + ... + 2460017.

It is an arithmetic number, because the mean of its divisors is an integer number (8074832640).

Almost surely, 2^157671280442 is an apocalyptic number.

157671280442 is a deficient number, since it is larger than the sum of its proper divisors (100723364038).

157671280442 is a wasteful number, since it uses less digits than its factorization.

157671280442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66318.

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 157671280442 in words is "one hundred fifty-seven billion, six hundred seventy-one million, two hundred eighty thousand, four hundred forty-two".