372778118782420 has 48 divisors (see below), whose sum is σ = 892643350506768. Its totient is φ = 129544613222400.

The previous prime is 372778118782397. The next prime is 372778118782423. The reversal of 372778118782420 is 24287811877273.

It can be written as a sum of positive squares in 8 ways, for example, as 25683184708164 + 347094934074256 = 5067858^2 + 18630484^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (372778118782423) 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, 42169466031 + ... + 42169474870.

It is an arithmetic number, because the mean of its divisors is an integer number (18596736468891).

Almost surely, 2^{372778118782420} is an apocalyptic number.

It is an amenable number.

372778118782420 is an abundant number, since it is smaller than the sum of its proper divisors (519865231724348).

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

372778118782420 is a wasteful number, since it uses less digits than its factorization.

372778118782420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84338940940 (or 84338940938 counting only the distinct ones).

The product of its (nonzero) digits is 118013952, while the sum is 67.

The spelling of 372778118782420 in words is "three hundred seventy-two trillion, seven hundred seventy-eight billion, one hundred eighteen million, seven hundred eighty-two thousand, four hundred twenty".