371427840 has 480 divisors, whose sum is σ = 1532044800. Its totient is φ = 83091456.

The previous prime is 371427839. The next prime is 371427857. The reversal of 371427840 is 48724173.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 371427795 and 371427804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7902697 + ... + 7902743.

It is an arithmetic number, because the mean of its divisors is an integer number (3191760).

Almost surely, 2^371427840 is an apocalyptic number.

371427840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 371427840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (766022400).

371427840 is an abundant number, since it is smaller than the sum of its proper divisors (1160616960).

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

371427840 is an equidigital number, since it uses as much as digits as its factorization.

371427840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 371427840 is about 19272.4632571968. The cubic root of 371427840 is about 718.8277220048.

371427840 divided by its product of nonzero digits (37632) gives a triangular number (9870 = T₁₄₀).

The spelling of 371427840 in words is "three hundred seventy-one million, four hundred twenty-seven thousand, eight hundred forty".